Kerala is rich in water potential. There are 41 west flowing rivers in the state in addition to three east flowing rivers which are the tributaries of the Kaveri. Only four of the rivers exceed 100 miles in length. They are the Bharapuzha (156 miles), the Periyar (142 miles), the Pamba (110 miles) and the Beypore or Chaliyar (105 Miles). All other rivers are relative small, the average length being about 40 miles. The rivers of Kerala have considerably influenced the its historical and cultural development. They figure in one way or other in the history and cultural life of the people of Kerala. Several places of historical and cultural importance are located on the banks of the rivers. Tirunavai, the place whre the famous pan-Kerala assembly called Mamankam was held under the presidency of the Zamorins of Calicut till the latter half of the 18th century, is situated on the banks of the Bhratapuzha.
Kaladi, the birth place of Sankaracharya, stands on the banks of the river Periyar. The Periyar looms large in the traditions and lengends that have grown around the name of the great Advaita philosopher. Alwaye (Aluva) where the famous Sivaratri festival is held every year in the month of Kumbham (February-March), is another place of cultural importance on the banks of this river. On the river Pamba are located such places of religious importance as Aranmula, Chengannur, Maramon and Edathwa. About N G Nair from Vaikom Kottayam Kerala State. Sarla Nair India (Copper Mining Family), my home town temples kerala temples. हम होगें कामयाब एक दिन (Hum Honge Kamyab Ek Din).
The rivers have also played their part in the political and military history of the Kerala State. The topography of Western Ghats and high intensity of rainfall also make Kerala's rivers rich in hydroelectric potential. The contribution of the river system to the development of Kerala is unique in every sense.